III.
1. The scooter over there is mine.
2. Is the jet packred hers?
3. How much is a kilo of beef?
4. Solar energy will be used to protect the enviroment.
5. How long did it take her to do her homework yesterday?
6. How far is it from Hue to Da Nang?
7. I used to go to primary school on foot.
8. Traffic rules should be obeyed strictly.
IV.
1. C
2. A
3. D
4. B
5. D
6. D
7. B
8. D